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Last modified by Helena on 2025/09/10 11:19
From version 1.1
edited by Helena
on 2025/05/26 11:08
Change comment: There is no comment for this version
To version 14.1
edited by Artur
on 2025/07/14 10:19
Change comment: Imported from XAR

Summary

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Title
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1 -9
1 +9 Transforming between versions of SDMX
Author
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1 -xwiki:XWiki.helena
1 +xwiki:XWiki.arturkryazhev
Tags
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1 +Attachment level|Attribute|Attribute relationship|Component|Data set|Data structure definition|Dimension|Statistical data and metadata exchange
Content
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1 -= 9 Transforming between versions of SDMX =
1 +{{box title="**Contents**"}}
2 +{{toc/}}
3 +{{/box}}
2 2  
3 3  == 9.1 Scope ==
4 4  
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8 8  
9 9  === 9.2.1 Issue ===
10 10  
11 -(% style="color:#e74c3c" %)Version(%%) 2.1 introduces a more granular mechanism for specifying the relationship between a Data [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] and the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] to which the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] applies. The technical construct for this is the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] Group. This [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] Group has no direct equivalent in (% style="color:#e74c3c" %)versions(%%) 2.0 and 1.0 and so the application transforming data from a (% style="color:#e74c3c" %)version(%%) 2.1 [[data set>>doc:sdmx:Glossary.Data set.WebHome]] to a (% style="color:#e74c3c" %)version(%%) 2.0 or (% style="color:#e74c3c" %)version(%%) 1.0 [[data set>>doc:sdmx:Glossary.Data set.WebHome]] must decide to which construct the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] value, whose [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] is declared in a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] Group, should be attached. The closest construct is the “Series” [[attachment level>>doc:sdmx:Glossary.Attachment level.WebHome]] and in many cases this is the correct construct to use.
13 +Version 2.1 introduces a more granular mechanism for specifying the relationship between a Data [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] and the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] to which the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] applies. The technical construct for this is the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] Group. This [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] Group has no direct equivalent in versions 2.0 and 1.0 and so the application transforming data from a version 2.1 [[data set>>doc:sdmx:Glossary.Data set.WebHome]] to a version 2.0 or version 1.0 [[data set>>doc:sdmx:Glossary.Data set.WebHome]] must decide to which construct the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] value, whose [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] is declared in a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] Group, should be attached. The closest construct is the “Series” [[attachment level>>doc:sdmx:Glossary.Attachment level.WebHome]] and in many cases this is the correct construct to use.
12 12  
13 -However, there is one case where the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] MUST be attached to a Group in the (% style="color:#e74c3c" %)version(%%) 2.0 and 1.0 message. The conditions of this case are:
15 +However, there is one case where the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] MUST be attached to a Group in the version 2.0 and 1.0 message. The conditions of this case are:
14 14  
15 15  1. A Group is defined in the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] with exactly the same [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] as a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] Group in the same [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
16 16  1. The [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] is defined in the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] with an [[Attribute Relationship>>doc:sdmx:Glossary.Attribute relationship.WebHome]] to the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] Group. This [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] is NOT defined as having an [[Attribute Relationship>>doc:sdmx:Glossary.Attribute relationship.WebHome]] to the Group.
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17 17  
18 18  === 9.2.2 Structural Metadata ===
19 19  
20 -If the conditions defined in 9.2.1are true then on conversion to a (% style="color:#e74c3c" %)version(%%) 2.0 or 1.0 [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] (Key Family) the [[Component>>doc:sdmx:Glossary.Component.WebHome]]/[[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]].attachmentLevel must be set to “Group” and the [[Component>>doc:sdmx:Glossary.Component.WebHome]]/[[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]]/AttachmentGroup” is used to identify the Group. Note that under rule(1) in 1.2.1 this group will have been defined in the V 2.1 [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] and so will be present in the V 2.0 transformation.
22 +If the conditions defined in 9.2.1are true then on conversion to a version 2.0 or 1.0 [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] (Key Family) the [[Component>>doc:sdmx:Glossary.Component.WebHome]]/[[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]].attachmentLevel must be set to “Group” and the [[Component>>doc:sdmx:Glossary.Component.WebHome]]/[[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]]/AttachmentGroup” is used to identify the Group. Note that under rule(1) in 1.2.1 this group will have been defined in the V 2.1 [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] and so will be present in the V 2.0 transformation.
21 21  
22 22  === 9.2.3 Data ===
23 23  
SUZ.Methodology.Code.MethodologyClass[0]
SKMS.Methodology.Code.MethodologyClass[0]
Index
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1 +9